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Finding the Third Proportional to 4,255.88 and 5,729.06

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Solution

The third proportional to 4,255.88 and 5,729.06 is: 7,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.88 : 5,729.06 = 5,729.06 : x
  2. Step 2: Convert to fraction form
    4,255.88/5,729.06 = 5,729.06/x
  3. Step 3: Cross multiply
    4,255.88x = 5,729.06 × 5,729.06
  4. Step 4: Simplify right side
    4,255.88x = 32,822,157.13
  5. Step 5: Solve for x
    x = 32,822,157.13/4,255.88
  6. Step 6: Final answer
    x = 7,712.20

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.